1220002012002 has 64 divisors (see below), whose sum is σ = 2507647165056. Its totient is φ = 395479687680.

The previous prime is 1220002012001. The next prime is 1220002012067. The reversal of 1220002012002 is 2002102000221.

It is not an unprimeable number, because it can be changed into a prime (1220002012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58981102 + ... + 59001782.

It is an arithmetic number, because the mean of its divisors is an integer number (39181986954).

Almost surely, 2^{1220002012002} is an apocalyptic number.

1220002012002 is an abundant number, since it is smaller than the sum of its proper divisors (1287645153054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220002012002 is a wasteful number, since it uses less digits than its factorization.

1220002012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21715.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1220002012002 its reverse (2002102000221), we get a palindrome (3222104012223).

The spelling of 1220002012002 in words is "one trillion, two hundred twenty billion, two million, twelve thousand, two".